Killing people with airplanes is not categorically known as "terror" rather than "war." Lots of people were killed with airplanes in World War I, but while it w

Killing people with airplanes is not categorically known as "terror" rather than "war." Lots of people were killed with airplanes in World War I, but while it was terrifying, WWI is pretty universally known as a war. So I don't take your point.